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DNS

The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. A Domain Name Service resolves queries for these names into IP addresses for the purpose of locating computer services and devices worldwide. By providing a worldwide, distributed keyword-based redirection service, the Domain Name System is an essential component of the functionality of the Internet.

An often-used analogy to explain the Domain Name System is that it serves as the phone book for the Internet by translating human-friendly computer hostnames into IP addresses. For example, the domain name www.example.com translates to the addresses 192.0.43.10 (IPv4) and 2620:0:2d0:200::10 (IPv6). Unlike a phone book, however, DNS can be quickly updated and these updates distributed, allowing a service's location on the network to...

14 Recent Stories

Twitter users in Turkey bypassing the country-wide ban on the microblogging network may now have an even more difficult time accessing the service. The Turkish government appears to have strengthened its directive blocking local residents from using ...

The Syrian Electronic Army, a mysterious pro-Assad hacker group, struck again Tuesday afternoon, taking control of The New York Times and Twitter Internet domains, among others. The Syrian hackers compromised these high-profile websites by targeting ...

The Syrian Electronic Army (SEA) has reportedly hacked into the DNS accounts for Twitter and the New York Times. The Twitter attack is particularly disruptive because it has made viewing images on Twitter.com and in some apps very difficult. A DNS re...

LinkedIn is recovering from a DNS issue that sent visitors to a different web site for an hour Wednesday night. The issue, which is now resolved for most users, rerouted the traffic to a domain sales page. LinkedIn, a popular professional social netw...

GoDaddy, the world's largest domain registrar and one of the biggest web hosts, is experiencing major downtime. The main GoDaddy.com domain is unreachable and websites hosted by GoDaddy are also down. The more problematic part is that any domain regi...

A nasty piece of malware called DNSChanger will kick thousands of Mac and PC users off the Internet on Monday, and there's a chance you could be one of them. The FBI is shutting down domains that have been affected by the DNSChanger malware, which ha...

There's a trojan out there that tricks computers -- both PCs and Macs -- into redirecting all their Internet traffic through malicious servers. Even though the trojan's creators have been stopped and arrested, millions of PCs could still be infected....

The FBI set up temporary, secure servers late last year to replace those created by seven individuals arrested for Internet fraud. "...The dismantling of the defendants’ rogue DNS servers—to which millions of computers worldwide had been redirected—w...

Amazon has launched a new service called Route 53. It's a "programmable" DNS service that lets users create, modify and delete DNS zone files for any domain they own. For most users, DNS is something you set up rarely - when you purchase a new domain...

WikiLeaks has been struggling to fend off a DDoS attack ever since it started releasing secret embassy cables, and now it lost one more ally: its DNS services provider, EveryDNS.net. According to a statement from EveryDNS.net, the services were termi...

Someone wake up the domain name admin at Rolling Stone -- its website is currently rendering a Network Solutions landing page indicating that the iconic music magazine's website is "coming soon." Typically, this is the type of page you see when someo...

Remember that rumor a while back that Google was going to build its own version of the Internet? It turns out that the idea might not be so far-fetched after all. Last month, Google revealed that it was working on its own protocol that could perhaps ...

In one of the stranger cases of internet outages we've seen, Sweden's entire .se domain infrastructure fell to pieces late last night. According to Royal Pingdom, who is based in Sweden, routine maintenance to the top-level domain — .se — turned into...

Web security is a touchy thing. We’re often told of existing vulnerabilities and design flaws after they’ve been remedied (the result of a courtesy paid by some hackers to prevent malicious abuse), so most of us remain unaffected as we go about our d...

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